Norma Jean Lutz Books

The death of a young slave girl in Boston as well as a religious revival led by Jonathan Edwards during the Great Awakening prompt Maggie to make an important decision.

Return to Tulsa

By Norma Jean Lutz

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Erik and Clarette Torsten are committed to each other and to God. After all, together they survived the race riots back in Tulsa. So surely they can face a little small-town prejudice in Erik's hom...

Trouble on the Ohio River

By Norma Jean Lutz

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In early nineteenth-century Cincinnati, ten-year-old Lucy Lankford eagerly awaits the arrival of her new piano and, along with her recently orphaned cousin Ben Allerton, tries to find out why the s...

Escape from slavery

By Norma Jean Lutz

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In nineteenth-century Cincinnati, fourteen-year-old Tim Allerton finds his anti-slavery views tested when he and his younger sister Pam save the life of a slave baby whose mother has recently been...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.